80356-82-7
→
~91%
80356-88-3
5,6-dimethylpyrazine-2,3-dicarboxamide
41110-52-5
5,6-dimethyl-2,3-pyrazinedicarboxylic acid
40227-17-6
5,6-二甲基-2,3-吡嗪二甲醛
80356-98-5
2,3-dimethylpyrrolo[3,4-b]pyrazine-5,7-dione